TENGDA Is a Professional Plastic Extruder Machine Manufacturers in China.

Engineering Plastics Extruder


From single components to total compounding solutions

The properties of engineering plastics make them indispensable in the construction of vehicles and machinery, power and electrical engineering, domestic installation and for sport and leisure articles. The processing ranges from coloring and alloying of base polymers right through to incorporating organic and inorganic fillers and reinforcing materials.

Our expertise includes material handling, raw material feeding, compounding and the entire downstream process, allowing us to design systems to our customersspecifications. We deliver solutions to engineering plastics processors that ensure maximum throughput rates with greatest possible economy and highest product quality.


Typical Areas Of Application For Processing Of Engineering Plastics

1. High-filled and reinforced compounds

2. Polymer foam - EPS

3. Alloying, coloring

4. Production of nanocomposites by mixing layer silicates into PP or PA

5. Gentle mixing of micro hollow glass spheres into PP, PA etc.

6. Production of long glass fiber compounds by the direct method

7. Mixing of wood fibers into thermosplastics

8. Removing moisture from bulk materials with max. 40 % humidity

9. Devolatilization of polymer solutions with a solvent content of up to 80%

10. Recycling of PET bottles or PA carpet fiber waste

11. Processing of high temperature polymers such as PEEK

12. Filtration of PC melt for optical applications


Engineering plastics (engineering-plastics)

Engineering plastics can be used as engineering materials and plastics that replace metal parts for machine parts. [1] Engineering plastics have excellent comprehensive performance, high rigidity, small creep, high mechanical strength, good heat resistance, good electrical insulation, long-term use in harsh chemical and physical environments, and can replace metal as engineering. Use of structural materials.



Engineering plastics can be divided into general engineering plastics and special engineering plastics. The former main varieties are polyamide, polycarbonate, polyoxymethylene, modified polyphenylene ether and thermoplastic polyester five general engineering plastics; the latter mainly refers to engineering plastics with heat resistance up to 150 ° C, the main varieties are polyimide , polyphenylene sulfide, polysulfone, aromatic polyamide, polyarylate, polyphenyl ester, polyaryl ether ketone, liquid crystal polymer and fluororesin.

Engineering plastics mainly include polycarbonate (Polycarbonate, PC), polyamide (polyamide, Polyamide, PA), polyacetal (Polyoxy Methylene, POM), polyphenylene Oxide (PPO), polyester (PET, PBT). ), polyphenylene sulfide (PPS), polyaryl ester, and the like.


Main performance:

The performance characteristics of engineering plastics are mainly:

(1) Compared with general-purpose plastics, it has excellent heat resistance and cold resistance, and has excellent mechanical properties in a wide temperature range, and is suitable for use as a structural material;

(2) Good corrosion resistance, less environmental impact, and good durability;

(3) Compared with metal materials, it is easy to process, has high production efficiency, and can simplify procedures and save costs;

(4) Good dimensional stability and electrical insulation;

(5) Light weight, high specific strength, and outstanding friction and wear resistance.



Compared with general-purpose plastics, engineering plastics can meet higher requirements in terms of mechanical properties, durability, corrosion resistance, heat resistance, etc., and are more convenient to process and can replace metal materials. Engineering plastics are widely used in electrical and electronic, automotive, construction, office equipment, machinery, aerospace and other industries. It has become an international trend to replace steel and plastic. Engineering plastics has become the fastest growing field in the plastics industry in the world. Its development not only supports the national pillar industry and modern high-tech industries, but also promotes the transformation of traditional industries and product structure.

Engineering plastics are increasingly used in automobiles, mainly for bumpers, fuel tanks, instrument panels, body panels, doors, lampshades, fuel pipes, radiators, and engine-related components.

In engineering, engineering plastics can be used for mechanical parts such as bearings, gears, screw nuts, seals and other mechanical parts such as housings, covers, handwheels, handles, fasteners and pipe joints.

In electronic appliances, engineering plastics can be used for wire and cable coating, printed circuit boards, insulating films and other insulating materials and electrical equipment structural parts.

In household appliances, engineering plastics can be used in refrigerators, washing machines, air conditioners, televisions, electric fans, vacuum cleaners, electric irons, microwave ovens, rice cookers, radios, combination audio equipment and lighting fixtures.

In the chemical industry, engineering plastics can be used in chemical equipment such as heat exchangers, chemical equipment linings, and chemical pipelines such as pipes and pipe fittings, valves, pumps, etc.

Due to the rapid development of China's automotive, electronics and construction industries, China has become the fastest growing demand for engineering plastics in the world. According to analysis, with the continuous development of the domestic economy, the demand for engineering plastics will further increase, and the development prospects of China's engineering plastics industry are very broad. In the home appliance industry, the annual demand for engineering plastics for refrigerators, freezers, washing machines, air conditioners and various small household appliances will reach 600,000 tons. The amount of engineering plastics used in the construction of communication infrastructure and railways and highways is even more alarming. It is expected that the total demand will reach 4.5 million tons in the next few years.


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